Help me please against hotxxx

Please help me....

This is my log file:

Logfile of HijackThis v1.98.0
Scan saved at 12.14.51, on 20/07/04
Platform: Windows 98 SE (Win9x 4.10.2222A)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\PROGRAMMI\FILE COMUNI\MICROSOFT SHARED\VS7DEBUG\MDM.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCEVTMGR.EXE
C:\WINDOWS\EXPLORER.EXE
C:\MEDIAPAC\VI_GRM.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\LINKSTS.EXE
C:\WINDOWS\SYSTEM\LEXBCES.EXE
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\PROGRAMMI\DAP\DAP.EXE
C:\WINDOWS\LOADQM.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCAPP.EXE
C:\WINDOWS\NAVCHK.EXE
C:\WINDOWS\SYSTEM\CTFMON.EXE
C:\WINDOWS\SYSTEM\LEXPPS.EXE
C:\PROGRAMMI\YAHOO!\MESSENGER\YMSGR_TRAY.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\DESKTOP\HIJACKTHIS.EXE

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.miosearch.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
F1 - win.ini: load=C:\MEDIAPAC\vi_grm.exe
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\PROGRAMMI\ADOBE\ACROBAT 5.0\READER\ACTIVEX\ACROIEHELPER.OCX
O2 - BHO: DAPHelper Class - {0000CC75-ACF3-4cac-A0A9-DD3868E06852} - C:\PROGRAMMI\DAP\DAPBHO.DLL
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - c:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: DAP Bar - {62999427-33FC-4baf-9C9C-BCE6BD127F08} - C:\PROGRAMMI\DAP\DAPIEBAR.DLL
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - c:\Programmi\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [ScanRegistry] c:\windows\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] c:\windows\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [Linksts] Linksts.exe
O4 - HKLM\..\Run: [LexStart] Lexstart.exe
O4 - HKLM\..\Run: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\Run: [DownloadAccelerator] C:\PROGRA~1\DAP\DAP.EXE /STARTUP
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [SVCHOST] C:\WINDOWS\svchost.exe
O4 - HKLM\..\Run: [ccApp] "c:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "c:\Programmi\File comuni\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [browser] C:\WINDOWS\browse.exe /i
O4 - HKLM\..\Run: [MSOfficeCfg] C:\WINDOWS\navchk.exe /i
O4 - HKLM\..\Run: [RegistryMechanic] C:\Programmi\Registry Mechanic\RegMech.exe /QS
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [MDM7] "C:\PROGRAMMI\FILE COMUNI\MICROSOFT SHARED\VS7DEBUG\MDM.EXE"
O4 - HKLM\..\RunServices: [ccEvtMgr] "c:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe"
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Programmi\File comuni\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "c:\Programmi\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Yahoo! Pager] C:\PROGRA~1\YAHOO!\MESSEN~1\ypager.exe -quiet
O4 - Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://c:\PROGRA~1\MICROS~1\OFFICE10\EXCEL.EXE/3000
O8 - Extra context menu item: &Download with &DAP - C:\PROGRA~1\DAP\dapextie.htm
O8 - Extra context menu item: Download &all with DAP - C:\PROGRA~1\DAP\dapextie2.htm
O9 - Extra button: Run DAP - {669695BC-A811-4A9D-8CDF-BA8C795F261C} - C:\PROGRA~1\DAP\DAP.EXE
O9 - Extra button: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRAMMI\YAHOO!\MESSENGER\YPAGER.EXE
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {E5D12C4E-7B4F-11D3-B5C9-0050045C3C96} - C:\PROGRAMMI\YAHOO!\MESSENGER\YPAGER.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\SYSTEM\MSJAVA.DLL
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\SYSTEM\MSJAVA.DLL